免费取消Double Decker Hop-On Hop-Off City Sightseeing Philadelphia (1, 2, or 3-Day)1小时30分钟4.2(755)·随上随下巴士低至US$49
免费取消Small-Group Public Walking Tour Exploring Philadelphia's Gilded Age to Now2小时30分钟5.0(5)·Philadelphia低至US$45